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Sunwoda Oasis-L344 User Manual

Outdoor cabinet liquid cooling energy storage system
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Oasis-L344 Outdoor Cabinet Liquid Cooling Energy Storage System
User Manual
Version Number: A2
Sunwoda Energy Technology Co., Ltd.
Add： 15/F, Building B, Xinda R&D Base, No.18 Tangjia South Road,
Guangming District, Shenzhen, Guangdong, China.
E-mail：service@sunwoda.com
Tel：0755-23698792
Web：http://www.sunwoda.com

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  • Page 1 Oasis-L344 Outdoor Cabinet Liquid Cooling Energy Storage System User Manual Version Number: A2 Sunwoda Energy Technology Co., Ltd. Add： 15/F, Building B, Xinda R&D Base, No.18 Tangjia South Road, Guangming District, Shenzhen, Guangdong, China. E-mail：service@sunwoda.com Tel：0755-23698792 Web：http://www.sunwoda.com...
  • Page 2 Outlined Thank you for choosing Oasis-L344 Outdoor Cabinet Liquid Cooling Energy Storage System from Sunwoda. With innovative design and perfect quality management, this system operates safely, stably, reliably and with long service life in work, meanwhile the product is simple to operate, easy to use and has a series of perfect protection functions.
  • Page 3 Safety Precautions Operational safety 1、Before using this equipment, please read the "Safety Precautions" and the accompanying "Power Connection and BMU Replacement Instructions" carefully to ensure proper and safe use, and keep the instructions in a safe place. 2、When operating, observe all warning signs and proceed as required. Electrical safety 1、Before powering up the unit, make sure that the unit's power cord is properly connected and the earth wire is connected.
  • Page 4 Interpretation of the Logo Notation An explanation of the meaning of words or phrases Read the user manual before use or maintenance! High voltage hazard, contact prohibited! Be safe and potentially dangerous! WARNING: Dangerous arcing! Be aware of high temperatures and prohibit contact! Beware of corrosion! Sine wave alternating current! Protective grounding!
  • Page 5 Recyclable! When your product reaches the end of its useful life, make sure that it is taken to WEEE recycling station in your country. This ensures that the product is disposed of and handled correctly and that no harmful substances are released into the environment.

  • Page 6: Table Of Contents

    CONTENT Outlined ......................... 1 Safety Precautions ......................1 Interpretation of the Logo ....................2 CONTENT ........................1 Chapter I. Products ......................3 Nameplate Information ................. 3 Parameters ..................... 4 1.2.1 System Parameters ................. 4 1.2.2 List of Equipment ................5 1.3 Structural Layout ..................5 1.4 Introduction to Composition ..............6 1.4.1 Overview ..................6 1.4.2 Battery System ................

  • Page 7: Interpretation Of The Logo

    3.1 Preparation for Start-up ................29 3.2 Operating Instructions ................29 3.2.1 Operating Instructions for the HVDC Section ......29 3.2.2 Operating Instructions for the Power Distribution Section ..30 3.2.3 Operating Instructions for the Water Cooler ........ 31 3.2.4 Description of the Fire Protection System ........31 3.2.5 Local Monitoring Operation Description ........32 3.3 Power-up Procedure ................33 3.4 Downtime Procedures ................33...

  • Page 8: Chapter I. Products

    Chapter I. Products Oasis-L344 liquid cooling outdoor cabinet energy storage system technical solution is based on Sunwoda's mature lithium battery system management experience, adopting long-life lithium iron phosphate batteries with superior performance, technologically advanced balanced management system; large-capacity power electronic converter technology, massive data monitoring and storage technology, power system optimized control technology and other aspects of advantageous technology.

  • Page 9: Parameters

    Parameters 1.2.1 System Parameters Table 1-1 System parameters Serial Project Description Specification Note number System nominal capacity 344kWh DC side Maximum support Rated charging power 172kW continuous 344KW Maximum support Rated discharge power 172kW continuous 344KW DC Voltage Range 1075.2V~1382.4VDC Output wiring method Plug in quickly -30℃~-20℃...

  • Page 10: List Of Equipment

    1.2.2 List of Equipment Table 1-2 System equipment list Serial Name (of a thing) Quantities Note number 8 packs in 1 cluster, total capacity Battery rack 344kWh Including disconnect switches, fuses, High voltage box relays, etc. Liquid cooler Including piping Fire protection Aerosols, detectors, exhaust fans, blast system...

  • Page 11: Introduction To Composition

    1.4 Introduction to Composition The outdoor cabinet energy storage system consists of battery box, main control box, switchboard, fire protection system, temperature control system, grounding system and so on. 1.4.1 Overview The energy storage battery system consists of an energy storage battery section and a battery management system (BMS).
  • Page 12 Table 1-3 Specification parameters of energy storage units Serial Rated Storage Project Unit Rated numb capacity power Note description topology voltage (V) (Ah) (kWh) Battery cell 0.896 Battery 153.6 1P48S pack Battery 8 packs in 1228.8 rack series Outdoor 1228.8 cabinet 1.4.2.1 Battery pack Specification Parameters Table 1- 4 PACK specification parameters...
  • Page 13 1.4.2.2 Panel description The battery module is divided into two types, A and B, except for the polarity of the positive and negative terminals of the power port, other parameters are the same, the panel schematic is shown below: Schematic diagram of box A panel Schematic diagram of box B panel Figure 1-1 Battery Pack Panel Diagram Table 1-5 PACK part descriptions...
  • Page 14 (L*W*H) CAN communication 8 pole airline socket (IN/OUT) connector (IN/OUT) MSD manual maintenance GCMSDP000/GCMSDRFS switch 1500VDC 350A Coolant inlet and outlet Positive extremist ES103-01M8-2SYX-07 Table 1-6 PACK communication port definitions number Shield definition 24V- 24V+ CANL CANH layer CAN high CAN low Communic Communic...
  • Page 15 1.4.2.4 Introduction to the Master Control Box Table 1-7 Parameters of main control box Rated voltage 1500Vdc Maximum current 400A Communication interface Cascade/CAN Communication protocols CAN/standard modbus Structural dimensions 600*700*200 Weight parameters 33±3kg 1.4.2.5 HV BMS Control Panel Description Figure 1-4 Main control box panel port Terminal Description: Table 1-8 Main control box panel terminal descriptions Serial...
  • Page 16 Communication port description: Slave Address Inspect Slave supply communication inquiry MSD-K1 MSD-K2 24V+ 24V- Table 1-9 Definition of internal communication terminal (J1) Pinout Define Hidden CAN shield CAN H CAN L Auto-programming meaning ground Pinout Define MSD-K1 MSD-K2 24V+ 24V- Maintenance Maintenance BMU positive...

  • Page 17: Distribution System

    Table 1-10 Definition of external communication terminal (J2) Pinout Define 24V+ 24V- 4:R_2H Power supply to Meanin CAN2 termination distribution terminal 485 communication resistor blocks Pinout Define 14:R_2L CAN2 Indicator Display control Meanin Graphic termination power communication (reserved communications resistor supply port) 1.4.3 Distribution System...

  • Page 18: Temperature Control Systems

    1.4.4 Temperature Control Systems The temperature control system of the outdoor cabinet consists of liquid cooler, water-cooled pipeline, liquid cooling plate, etc. The BMS turns on the functions of refrigeration and heating according to the temperature of the Battery cell it collects and sets the temperature control mode.

  • Page 19: Grounding Systems

    1.4.6 Grounding Systems Figure 1-4-6 Grounding schematic The outdoor cabinet is equipped with two copper grounding points, which are located at the bottom of the outdoor cabinet. The non-functional conductive conductors in the outdoor cabinet that have a direct electrical connection with the communication and monitoring equipment and its mounting base, such as the power distribution equipment, battery box, high-voltage box, liquid cooler and its mounting base, are uniformly connected to the grounding copper row through the internal grounding...

  • Page 20: Chapter Ii. Installation

    Chapter II. Installation 2.1 Storage and Transport 2.1.1 Storage  To avoid condensation on the inside of the outdoor cabinet, it should be stored in a dry warehouse, or failing that, a heater should be provided to keep the internal temperature higher than the outdoor temperature.
  • Page 21 Figure 2-1 Cabinet outer packaging Figure 2-2 Cabinet appearance — 16 —...

  • Page 22: Mechanical Installation

    2.2 Mechanical Installation 2.2.1 General Requirements 2.2.1.1 Tool Preparation Table 2-1 Installation tool list Phillips One-sided Insulated adjustable Lift trolley screwdriver screwdriver spanner Insulated protective Multimeter Insulating tape Insulated gloves shoes Crystal head Steel tape measure Socket wrenches Marker pen crimping pliers Wire stripper Tweezers...

  • Page 23: Box Installation

    2.2.1.2 Environmental Requirements Table 2-2 Installation conditions Installation Static fixed installation conditions Installation site The unit is mounted outdoors on a concrete base, or a requirements countertop that can provide a similar base. The mounting surface is required to be firm and level Under attack No shocks during installation Free-fall...
  • Page 24 Figure 2-3 Schematic diagram of site foundation Placement: the energy storage cabinet is marked according to the above tips, the battery compartment maintenance door is aligned with the battery compartment staircase, the outer edge line of the energy storage cabinet coincides with the above contour line, the bottom beam of the energy storage cabinet is welded to the pre-embedded Q235 pads in combination with the corners.

  • Page 25: Electrical Installation

    Figure 2-5 Outdoor cabinet bottom view 2.3 Electrical Installation Installation Precautions In order to ensure the life safety of the installer, the necessary safety precautions must be taken when carrying out the electrical installation of this product. The following procedures must be observed when performing electrical installation: ●...

  • Page 26: Cable Fixing And Protection

    2.3.2 Cable Fixing and Protection 2.3.2.1 Cable Fixing In order to prevent the cable and terminal from loosening or contact resistance from becoming large and causing heat or even fire, when tightening the screws of the terminal lugs, the tightening torque should meet the following requirements: Table 2-3 Torque table（Uint：N.m）...

  • Page 27: Outdoor Cabinet Wiring

    2.3.2.3 Cable Selection Users in the configuration of the cable according to Table 2-4 specifications for optional. Table 2-4 Cable specifications Cable wiring Maximu Number of Hole Cable Cable Note location screw holes diameter recom terminal voltage (mm) mendat selection ions current Auxiliary...
  • Page 28 2.3.3.1 DC Power Cable Wiring in Outdoor Cabinet Figure 2-6 Power cable wiring diagram 1 、 the battery box from top to bottom, numbered 1 ~ 8, the power cable in accordance with the main control box negative (B-) start to the battery box 1 negative, battery box 1 positive to the battery box 2 negative, until the battery box 8 positive;...
  • Page 29 2.3.3.2 Ground Wire Outdoor cabinets are equipped with 2AWG grounding wire as standard, and there is a grounding hole under each cabinet, which connects the outdoor cabinets to the grounding row of the convergence cabinet and then to the grounding system through the grounding wire.
  • Page 30 2.3.3.3 AC Distribution Cable Wiring AC auxiliary power supply cable wiring channel at the bottom of the outdoor cabinet, external single-phase AC power into the outdoor cabinet, connected to the XT1 adapter terminal block, used to supply power to the liquid cooling machine; external single-phase AC power output from the UPS, into the outdoor cabinet, connected to the XT2 distribution terminal, used to monitor the power supply of the equipment (high-voltage box, exhaust fan).
  • Page 31 Figure 2- 8 AC inlet terminal block Serial number Definition Wiring Description XT1:1-2 L to external AC220V (sink cabinet) XT1:2-2 N to external AC220V (sink cabinet) XT2:1-2 L to external UPS output (sink cabinet) XT2:2-2/3-2 N N to external UPS output (sink cabinet) 2.3.3.4 Communication Cable Wiring Outdoor cabinet to the convergence cabinet communication using RVSP shielded...

  • Page 32: Electrical Installation Completion Inspection

    Figure 2-9 External communication terminal block Serial number Pin Definition Wiring Description XH:1-2 CANH Connects to the CANH of an external ESMU XH:2-2 CANL CANL connected to external ESMU (display control) XH:3-2 CANG Connecting shield of shielded twisted pair cable 2.3.4 Electrical Installation Completion Inspection After the installation is complete, the following must be reconfirmed and measured in order to avoid damage to the equipment and loss of property:...
  • Page 33  Clean up the installation area and verify that no tools or foreign objects are left in the installation area. Warnings The removed lower baffle needs to be reinstalled, this baffle blocks foreign objects from entering the equipment, if not installed there is a danger of foreign objects entering.

  • Page 34: Chapter Iii. Operation

    Chapter III. Operation 3.1 Preparation for Start-up To ensure the safety of the outdoor cabinet, the following items must be checked before the first power-up or the first power-up after maintenance: Table 3-1 Inspection item Sequences Inspection items Completion Permitted installation and runtime environments. Outdoor cabinets correctly fixed to the foundation.

  • Page 35: Operating Instructions For The Power Distribution Section

    following figure. Table 3-2-1 Inspection item 3.2.2 Operating Instructions for the Power Distribution Section The layout of the switchboard is as shown in the figure below, with DC distribution terminals, signal transfer terminals, AC transfer terminals for the liquid cooler, and AC distribution terminals for power supply to BMS and other monitoring equipment.

  • Page 36: Operating Instructions For The Water Cooler

    Figure 3-1 Switchboard distribution section 3.2.3 Operating Instructions for the Water Cooler This section is detailed in the Water Cooler Owner's Manual. 3.2.4 Description of the Fire Protection System The outdoor cabinet adopts aerosol as the fire extinguishing agent, and a separate fire control box detects the temperature inside the cabinet and starts the aerosol bottle to spray aerosol to extinguish the fire when the starting condition is reached.

  • Page 37: Local Monitoring Operation Description

    3.2.5 Local Monitoring Operation Description Table 3-2 List of major communications equipment Equipment Specification description Unit Quantities name Liquid cooling EMW90HDNC1A units Combustible gas Xgard-Bright-GZ-H-02 detectors ESBMM ESBMM-2412-F ESMU HV:2.0.0 (In busbar) — 32 —...

  • Page 38: Power-Up Procedure

    BSBCM can collect information on access control, flooding, fire protection, switching status, etc. through DI interface; ESBCM collects information of ESBMM through CAN communication and communicates with ESMU in the external convergence cabinet through CAN communication; Liquid cooler and combustible gas achieve data interaction with ESBCM through RS485, and ESBCM controls the battery information and the ESBCM controls the operation mode of the liquid cooler according to the battery information collected by the ESBMM.

  • Page 39: Chapter Iv Product Maintenance

    Chapter IV Product Maintenance Due to factors such as ambient temperature, humidity, dust, and vibration, the internal components of an energy storage system are subject to aging and wear and tear, which can lead to potential failures inherent in the energy storage system. Therefore, it is necessary to perform routine and periodic maintenance on the energy storage system to ensure its normal operation and service life.

  • Page 40: Battery Box Maintenance

    clear Battery Check if the battery system SOH is normal health every month via ESMU status Operating Audit the system log, the system should every month state work without anomalies System System DC side voltage is in the normal every month voltage range System...
  • Page 41 ①Fixing screw M6 ②Communication Harness ③Power ④Metal handle Metal ④ connection Fixing screw M6 ⑤ Liquid-cooled Figure 4-2 Battery box power and communication connection diagram 1、Drain the antifreeze from the liquid-cooling pipe after power failure. 2、Remove the liquid-cooling tubes from the top and bottom of the battery pack to be removed.

  • Page 42: Main Control Box Maintenance

    Table 4-2 Battery box maintenance Inspection content Inspection methods Maintenance cycle Temperature sampling of the battery every month box is observed through the monitoring system. Sweeping module Module free of foreign matter every month Exterior inspection No deformation of the module, no every month liquid leakage Connection of cells or...

  • Page 43: Maintenance Of Water Coolers

    The procedure for installing the main control box is as follows: 1、Place the master control box on the trailer and push the trailer under the master control box to be replaced. 2、Raise the lift trailer to a suitable position and push the main control box by hand to the battery rack.
  • Page 44 Maintenance of water pump compressors Water pump, compressor as an important part of the refrigeration circulatory system, routine maintenance is particularly important. Part of the heat of the water pump depends on the cold water cycle for heat exchange, part of the use of the motor tail fan for heat dissipation.
  • Page 45  Users should not repair the unit by themselves, if the repair is not done properly, it will cause the unit to malfunction or burn out. If you need to repair, please contact the dealer or manufacturer. Warnings  Do not insert your fingers or anything else into the condenser air outlet or air inlet to avoid injury or damage to the unit.

  • Page 46: Maintenance Of Fire Protection Systems

    4.2.5 Maintenance of Fire Protection Systems The recommended routine maintenance intervals and work are shown in Table 4-5 below: Table 4-5 Fire Protection System Maintenance Inspection content Inspection methods Maintenance cycle Temperature Close the fire tank and check that the 1 time per year smoke sensors temperature and smoke sensors are...

  • Page 47: Bms/In Situ Monitoring System Maintenance

    4.2.7 BMS/in Situ Monitoring System Maintenance The BMS/in-situ monitoring maintenance cycles and tasks are shown in Table 4-7 below: Table 4-1 BMS/Local monitoring system maintenance Inspection content Inspection methods Maintenance cycle System status Check that the system is in a normal 1 time per month state viewing...
  • Page 48 ③ (Manual Service Switch) ② Phillips screws Low-voltage communication lines Figure 4-4 Schematic diagram of BMU replacement 1、Unplug the 2 sets of low voltage wires at ① on the BMU. 2、Pull out MSD at ③. 3、Use a Phillips screwdriver to unscrew the eight ② Phillips screws and remove the BMU maintenance window.

  • Page 49: Chapter V Factory Default Parameters

    Chapter V Factory Default Parameters Before the outdoor cabinet is shipped from the factory, the default parameters have been burned into the ESBCM in the high voltage box, and the default values of the alarm and protection parameters are as follows： Conditio ns for Alar...
  • Page 50 process of differenc clicks on jumping fault machine value resumptio Alarm trigger threshold Leve Report + return alarms differenc value Alarm Alarm is trigger cleared Monoblo Charging threshold and all Leve permitted; + return clusters voltage discharging differenc have too low prohibited charging value...
  • Page 51 node, delay trigger cleared 3s to threshold execute the - return ESMU process of differenc clicks on jumping fault machine value resumptio Alarm trigger threshold Leve Report - return alarms differenc value Alarm High trigger Charging battery threshold Leve prohibited; Fault charging - return...
  • Page 52 value Alarm is Output dry Alarm cleared node, delay trigger 3s to threshold Leve ESMU execute the + return clicks on process of differenc fault jumping resumptio machine value Alarm trigger threshold Leve Report - return alarms differenc value Alarm High trigger battery...
  • Page 53 prohibited + return differenc value Output dry Alarm node, delay trigger ESMU 3s to threshold Leve click fault execute the + return resumptio process of differenc jumping machine value Alarm trigger threshold Leve Report - return alarms differenc value Large Alarm temperat Prohibition...
  • Page 54 threshold + return differenc value Alarm trigger threshold Leve Alarms only + return differenc value Leve High Leve SOC (1 per cent) Leve Alarm trigger 3.55*38 threshold Leve Report 4=1363. - return Alarms differenc value Alarm Alarm trigger cleared Total Charging 3.60*38 threshold...
  • Page 55 too low threshold + return differenc value Alarm Alarm is trigger cleared Charging threshold and all Leve 2.60*38 permitted; + return clusters 4=998.4 discharging differenc have prohibited charging value current. Output dry Alarm node, delay trigger ESMU 3s to threshold Leve 2.5*384 click fault...
  • Page 56 overcurre alarms trigger nt (A) threshold - return differenc value Alarm cancelled Alarm trigger Charging (30min threshold Leve prohibited; delay or - return discharging differenc permitted clusters have value discharge current) Output dry A Alarm node, delay trigger ESMU 3s to threshold Leve click fault...
  • Page 57 node, delay trigger click fault 3s to threshold resumptio execute the return process of differenc jumping e value machine Alarm trigger Charging threshold Leve permitted; insulatio 2000 + return discharging differenc permitted value Alarm Prohibition trigger threshold Leve Fault (KΩ) 1800 discharge;...
  • Page 58 Output dry Alarm node, delay trigger ESMU 3s to threshold Leve 3.65*48 click fault execute the - return =175.2 resumptio process of differenc jumping machine value Alarm trigger threshold Leve 2.7*48= Report + return 139.6 alarms differenc value Alarm is Alarm Battery cleared...
  • Page 59 jumping machine Display control detects Output dry external node, delay signals: ESMU 3s to Real-time fire Leve click fault execute the monitorin fault/eme resumptio process of rgency jumping stop machine signal/ele ctrical operation Output dry node, delay Single ESMU 3s to Data voltage Leve...
  • Page 60 tempera ture >> ≤10℃/mi 10℃/mi Output dry Master: node, delay circuit ESMU 3s to breaker Leve Test click fault execute the failure/C Recovery resumptio process of ontactor jumping failure machine Slave periphera Real-time l failure Leve Warning monitorin detection Minimu m clust er curre Inter-clus...

  • Page 61: Chapter Vi Failure Analysis And Handling

    Chapter VI Failure Analysis and Handling Under fault conditions, lethal high voltage may still be present within the energy storage. Warning  Only qualified technicians may perform the operations described in this chapter. "Compliant" means that the operator has had prior professional training in the troubleshooting operations of the equipment.

  • Page 62: Common Troubleshooting Chart

    6.2 Common Troubleshooting Chart Compon Fault type Cause of the problem Prescription Cell Decline in 1、long time use, 1、Replace the aging and efficiency individual Battery cell serious Battery cell; aging serious; 2、long time use, 2、Manual equalisation of individual Battery cell cells with very poor consistency is poor;...
  • Page 63 Communicatio CAN disconnection Change line ns anomaly Differential If the differential pressure Replacement of BMU pressure inside the PACK is anomaly abnormal, it is usually a BMU failure Single-cell If the wiring is normal, Replacement of BMU anomalies it's usually a BMU failure Crash (of a BMU failure Replacement of BMU...
  • Page 64 SOC anomaly A long run cut did not Filling or draining every trigger a calibration other month to enable the condition. BMS to calibrate the SOC. Excessive 1、Problems in setting the 1、Adjust the appropriate pressure protection value for inter-cluster pressure difference differential pressure difference according to the...

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